builtins.c (c_getstr, [...]): Export.

2014-08-08  Richard Biener  <rguenther@suse.de>

	* builtins.c (c_getstr, readonly_data_expr, init_target_chars,
	target_percent, target_percent_s): Export.
	(var_decl_component_p, fold_builtin_memory_op, fold_builtin_memset,
	fold_builtin_bzero, fold_builtin_strcpy, fold_builtin_strncpy,
	fold_builtin_strcat, fold_builtin_fputs, fold_builtin_memory_chk,
	fold_builtin_stxcpy_chk, fold_builtin_stxncpy_chk,
	fold_builtin_sprintf_chk_1, fold_builtin_snprintf_chk_1):
	Move to gimple-fold.c.
	(fold_builtin_2): Remove handling of bzero, fputs, fputs_unlocked,
	strcat and strcpy.
	(fold_builtin_3): Remove handling of memset, bcopy, memcpy,
	mempcpy, memmove, strncpy, strcpy_chk and stpcpy_chk.
	(fold_builtin_4): Remove handling of memcpy_chk, mempcpy_chk,
	memmove_chk, memset_chk, strncpy_chk and stpncpy_chk.
	(rewrite_call_expr_array): Remove.
	(fold_builtin_sprintf_chk): Likewise.
	(fold_builtin_snprintf_chk): Likewise.
	(fold_builtin_varargs): Remove handling of sprintf_chk,
	vsprintf_chk, snprintf_chk and vsnprintf_chk.
	(gimple_fold_builtin_sprintf_chk): Remove.
	(gimple_fold_builtin_snprintf_chk): Likewise.
	(gimple_fold_builtin_varargs): Likewise.
	(fold_call_stmt): Do not call gimple_fold_builtin_varargs.
	* predict.c (optimize_bb_for_size_p): Handle NULL bb.
	* gimple.c (gimple_seq_add_seq_without_update): New function.
	* gimple.h (gimple_seq_add_seq_without_update): Declare.
	* gimple-fold.c: Include output.h.
	(gsi_replace_with_seq_vops): New function, split out from ...
	(gimplify_and_update_call_from_tree): ... here.
	(replace_call_with_value): New function.
	(replace_call_with_call_and_fold): Likewise.
	(var_decl_component_p): Moved from builtins.c.
	(gimple_fold_builtin_memory_op): Moved from builtins.c
	fold_builtin_memory_op and rewritten to GIMPLE.
	(gimple_fold_builtin_memset): Likewise.
	(gimple_fold_builtin_strcpy): Likewise.
	(gimple_fold_builtin_strncpy): Likewise.
	(gimple_fold_builtin_strcat): Likewise.
	(gimple_fold_builtin_fputs): Likewise.
	(gimple_fold_builtin_memory_chk): Likewise.
	(gimple_fold_builtin_stxcpy_chk): Likewise.
	(gimple_fold_builtin_stxncpy_chk): Likewise.
	(gimple_fold_builtin_snprintf_chk): Likewise.
	(gimple_fold_builtin_sprintf_chk): Likewise.
	(gimple_fold_builtin_strlen): New function.
	(gimple_fold_builtin_with_strlen): New function split out from
	gimple_fold_builtin.
	(gimple_fold_builtin): Change signature and handle
	bzero, memset, bcopy, memcpy, mempcpy and memmove folding
	here.  Call gimple_fold_builtin_with_strlen.
	(gimple_fold_call): Adjust.

	* gcc.dg/strlenopt-8.c: Remove XFAIL.
	* gcc.dg/tree-prof/stringop-2.c: Adjust.
	* gfortran.dg/array_memcpy_4.f90: Likewise.
	* gfortran.dg/trim_optimize_1.f90: Likewise.
	* gfortran.dg/trim_optimize_2.f90: Likewise.

From-SVN: r213753

1 files changed, 15 insertions, 0 deletions

diff --git a/gcc/gimple.c b/gcc/gimple.c
index 4a9d379..2104dd6 100644
--- a/gcc/gimple.c
+++ b/gcc/gimple.c
@@ -1178,6 +1178,21 @@ gimple_seq_add_seq (gimple_seq *dst_p, gimple_seq src)
   gsi_insert_seq_after (&si, src, GSI_NEW_STMT);
 }
 
+/* Append sequence SRC to the end of sequence *DST_P.  If *DST_P is
+   NULL, a new sequence is allocated.  This function is
+   similar to gimple_seq_add_seq, but does not scan the operands.  */
+
+void
+gimple_seq_add_seq_without_update (gimple_seq *dst_p, gimple_seq src)
+{
+  gimple_stmt_iterator si;
+  if (src == NULL)
+    return;
+
+  si = gsi_last (*dst_p);
+  gsi_insert_seq_after_without_update (&si, src, GSI_NEW_STMT);
+}
+
 /* Determine whether to assign a location to the statement GS.  */
 
 static bool